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时长:00:00更新时间:2020-11-09 15:13:27
查询数据中所有表实际记录数:set serverout onset serveroutput on size 1000000declarev_tab_name varchar2(100);cursor empCur is select table_name from user_tables;n_lows number;v_sql varchar2(1000);begin open empCur; loop fetch empCur into v_tab_name; v_sql:='select cou
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